.form-feed-share .userTagging-userShareLink, .form-feed-share .userTagging-userShareTutorial {
  margin: 0 5px 5px 5px;
}
.tutorial-feed-body {
  width: 100%;
}
.tutorial-feed-body .tutorial-feed-content {
  position: relative;
  height: 0;
  padding-bottom: 56.25%;
  margin-bottom: 10px;
}
.tutorial-feed-body .tutorial-feed-content .no_permission_tutorial {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.tutorial-feed-body .tutorial-feed-content iframe, .tutorial-feed-body .tutorial-feed-content object, .tutorial-feed-body .tutorial-feed-content embed {
  -webkit-backface-visibility: hidden;
  -webkit-transform: translateZ(0);
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.tutorial-detail {
  position: relative;
  height: 0;
  padding-bottom: 56.25%;
}
.tutorial-detail iframe {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.tutorial-feed-content {
  position: relative;
  height: 0;
  padding-bottom: 56.25%;
}
.tutorial-feed-content iframe {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.core-lists.tutorial-lists .core-list-item .tutorial_cover {
  display: block;
  padding-bottom: 56.25%;
  position: relative;
  overflow: hidden;
}
.core-lists.tutorial-lists .core-list-item .vieo-item-img {
  width: 100%;
  position: absolute;
  top: 50%;
  transform: translate(0, -50%);
}
.core-lists.tutorial-lists.grid-view > .core-list-item {
  width: 33.3333333%;
}

@media (min-width: 1200px) {
  #center.col-md-9 .core-lists.tutorial-lists.grid-view > .core-list-item {
    width: 33.3333333%;
  }

  #center.col-md-6 .core-lists.tutorial-lists.grid-view > .core-list-item {
    width: 50%;
  }
}
@media (min-width: 992px) and (max-width: 1199px) {
  #center.col-md-9 .core-lists.tutorial-lists.grid-view > .core-list-item {
    width: 33.3333333%;
  }

  #center.col-md-6 .core-lists.tutorial-lists.grid-view > .core-list-item {
    width: 50%;
  }
}
@media (min-width: 992px) {
  .box-region-west .core-lists.tutorial-lists.grid-view > .core-list-item, .box-region-east .core-lists.tutorial-lists.grid-view > .core-list-item {
    width: 100%;
  }
}
@media (min-width: 768px) and (max-width: 991px) {
  .core-lists.tutorial-lists.grid-view > .core-list-item {
    width: 33.3333333%;
  }
}
@media (min-width: 568px) and (max-width: 767px) {
  .core-lists.tutorial-lists.grid-view > .core-list-item {
    width: 50%;
  }
}
@media (min-width: 414px) and (max-width: 567px) {
  .core-lists.tutorial-lists.grid-view > .core-list-item {
    width: 50%;
  }
}
@media (max-width: 413px) {
  .core-lists.tutorial-lists.grid-view > .core-list-item {
    width: 100%;
  }
}

#tutorialPcFeed .qq-upload-button {
  top: 0;
  left: 0;
  right: auto;
  text-align: center;
  width: 40px;
  height: 40px !important;
  border: none;
  background: none;
}

#tutorialPcFeed {
  margin-left: 0;
  width: 40px;
  border-right: 1px solid #ccc;
  overflow: hidden;
  display: inline-block;
}

#tutorialPcFeed .qq-upload-button .upload-section {
  padding: 6px;
  height: 40px;
  font-size: 20px;
}

#tutorial_pc_feed_preview .tutorial_thumb {
  width: 120px;
  height: 120px;
  background: #eeeeee;
  line-height: 120px;
  text-align: center;
  color: #9b9b9b;
  font-size: 40px;
  position: relative;
}

#tutorial_pc_feed_preview .tutorial_thumb .spinner {
  left: 58px !important;
  top: 58px !important;
}

#tutorial_pc_feed_preview {
  padding-left: 5px;
  padding-right: 5px;
}

.tutorial-feed-preview {
  position: relative;
}

.tutorial-feed-preview-header {
  font-size: 16px;
  line-height: 22px;
  margin-bottom: 5px;
  min-height: 22px;
}
.tutorial-feed-preview-header .close-tutorial-feed-preview {
  position: absolute;
  top: 1px;
  right: 0;
}
.tutorial-feed-preview-header .close-tutorial-feed-preview-icon {
  font-size: 20px;
  width: 20px;
  height: 20px;
  overflow: hidden;
  color: #000000;
  display: block;
}

.tutorial-feed-review-main {
  display: flex;
}
.tutorial-feed-review-main .tutorial-feed-review-thumb {
  flex-grow: 0;
  margin-right: 5px;
  width: 164px;
  height: 144px;
  background: #000;
  line-height: 138px;
  text-align: center;
  color: #9b9b9b;
  font-size: 40px;
  position: relative;
  overflow: hidden;
}
.tutorial-feed-review-main .tutorial-feed-review-thumb img {
  width: 100%;
}
.tutorial-feed-review-main .tutorial-feed-review-info {
  flex-grow: 1;
}
.tutorial-feed-review-main .tutorial-feed-review-info .form-group:last-child {
  margin-bottom: 0;
}